CN105621800A

CN105621800A - Process for comprehensively recycling sewage

Info

Publication number: CN105621800A
Application number: CN201610025062.7A
Authority: CN
Inventors: 邹伟龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-14
Filing date: 2016-01-14
Publication date: 2016-06-01

Abstract

The invention discloses a process for comprehensively recycling sewage. The process comprises organic fertilizer preparation and floc treatment, wherein the organic fertilizer preparation comprises the following steps: (1) separating solid and liquid from wastewater by using a solid-liquid separator to obtain filtrate and filter residues; and (2) adding lime powder into the filter residues, adding crop waste, tankage and an EM leavening agent into the filter residues in a mass ratio of (2-5):1:(1-4) after a period of time, uniformly mixing and stirring, performing composting fermentation to obtain a fermentation base stock after fermentation is completed, adding earthworm excrement, uniformly stirring, granulating to obtain an organic fertilizer, and keeping filtrate for later use. The process can be used for effectively turning waste into valuable and carrying out different treatments on sewage, and the prepared substance can be specifically applied to agricultural planting and agricultural breeding, waste generated in agricultural planting and agricultural breeding can be recycled, and a new way is provided to agricultural sewage treatment with low production cost and environmental friendliness.

Description

The technique that a kind of integrated wastewater is recycled

Technical field

The invention belongs to technical field of waste water processing, especially relate to the technique that a kind of integrated wastewater is recycled.

Background technology

In recent years; propelling along with the adjustment of China's structure of agricultural production and agriculture industrialization; scale, intensive livestock and poultry breeding industry are able to fast development; become the important component part of China's Economy of agriculture and countryside; but the development of these plants meets urbanite's wilderness demand to meat, Poultry and Eggs food on the one hand, also becomes the important polluter of polluted-water. The wastewater discharge of the annual livestock and poultry cultivation of China is more than 10,000,000,000 tons, considerably beyond whole nation industrial wastewater and sanitary wastewater discharge capacity summation, the water yield fluctuation of waste water of livestock poultry is big simultaneously, and dregginess, Organic substance and concentration of nitrogen and phosphorus are high, treatment technology is not mature enough, and management operating cost is high. Current China has a lot of scale livestock farming to carry out the process work of livestock breeding wastewater, but the wastewater treatment effluent quality overwhelming majority of scale livestock farming not yet reaches national grade one discharge standard, far away from the half of Industrial Wastewater Treatment compliance rate. Therefore to greatly develop the problem of environmental pollution brought also day by day serious for livestock culture industry, Pollution from livestock and poultry has become the third-largest polluter after industrial pollution, domestic pollution, become the one of the main reasons of China's rural pollution, it not only affects economic development, but also jeopardize ecological safety, it has also become the social problem of people's common concern. Therefore, for effectively reducing the livestock breeding wastewater pollution to environment, it is ensured that the steady and sound development of China's livestock and poultry breeding industry, treatment in accordance with local conditions ground research and development waste water of livestock poultry treatment technology efficient, low cost is extremely urgent.

Therefore the present inventor is by substantial amounts of research and experiment, it is provided that the technique that a kind of high treating effect, the integrated wastewater that simple to operate, cyclic utilization rate is high, cost is low are recycled.

Summary of the invention

For prior art Problems existing, the purpose of this patent is in that to develop the technique that a kind of integrated wastewater is recycled, can not only effectively turn waste into wealth, sewage can also be carried out the process of different stage, after each rank is processed, the material obtained can be used in agricultural planting, agricultural breeding targetedly, again by agricultural planting and the recycling waste of generation in agricultural breeding, process for rural sewage provides a new approach, and it is simple to operate understandable, low production cost, environmental protection.

The technical solution used in the present invention is as follows for achieving the above object:

The technique that a kind of integrated wastewater is recycled, processes including organic fertilizer preparation and glue plumage; Prepared by described organic fertilizer, including step in detail below:

(1) use solid-liquid separating machine that waste water is carried out solid-liquid separation, obtain filtrate and filtering residue;

(2) in filtering residue, pulverized limestone is added, after a period of time, by agricultural waste material, tankage, cane molasses and EM leaven according to mass ratio be 1-4:1:2-3:2-5 add, remix compost fermentation after stirring, complete to obtain to add Lumbricus feces after fermentation base material until fermentation to stir, last then through obtaining organic fertilizer after pelletize, filtrate is stand-by;

In the present invention, as further instruction, described agricultural waste material is one or more in plant defoliation, straw, mushroom foot handle and bean dregs; Described mushroom is one or more in mushroom, Auricularia, Ganoderma and Lentinus Edodes; Described tankage is one or more in Crusta Penaeus seu Panulirus, shell, fish tail and fish scale.

In the present invention, as further instruction, the 1/50-1/100 that quality is filtering residue gross mass of described addition pulverized limestone.

In the present invention, as further instruction, the addition of described Lumbricus feces is the 1/100-1/150 of fermentation base material.

In the present invention, as further instruction, the time of described fermentation is 12-25 days, and temperature is 28-32 DEG C.

Technical scheme principle is: after waste water solid being separated, fermented manure process is carried out with agricultural waste material etc. after its filtering residue is carried out disinfection, it is properly added the feces mixing of the Lumbricus of the glue plumage cultivation that the application obtains again, produce organic fertilizer, organic fertilizer containing nutrition kind many, for crop-planting apply fertilizer, be conducive to the growth of crop, and can turn waste into wealth, increase economic efficiency.

In the present invention, as further instruction, what described glue plumage processed specifically comprises the following steps that

I: after filtrate stand-by for step (2) is carried out pH regulator, carry out flocculation treatment through electrochemistry machine, obtain flocculate, separates the filtrate after flocculation treatment again through floater remover, the liquid after obtaining glue plumage granule and separating;

II: be used for raising Lumbricus by glue plumage obtained above, after Lumbricus is gathered in the crops, raises the Lumbricus feces that Lumbricus stays, as the additive of organic fertilizer.

In the present invention, as further instruction, described pH value is 7.0-8.0.

In the present invention, as further instruction, flocculant during described flocculation treatment, also can be added; Described flocculant is aluminum sulfate, aluminium polychlorid, iron sulfate, ferric-polysilicate, polyacrylamide or iron chloride.

In the present invention, as further instruction, the breeding cycle of described Lumbricus is 45-60 days.

In the present invention, as further instruction, described glue plumage processes, and the preparation or the qualified discharge that also include plant nutrition liquid process;

Being prepared by of described plant nutrition liquid: will separate the liquid obtained after flocculation treatment, carries out the base material as nutritional solution after detection of content of element, further according to the nutritional need of different plants, adds different nutrients, can obtain plant nutrition liquid;

Described qualified discharge processes: will separate the liquid obtained after flocculation treatment, discolors after de-tasting process by ion exchange column adsorption treatment or through activated carbon absorption process or ozone, finally carry out discharging.

The present invention compared with prior art, has the beneficial effect that

1, the sewage of the present invention is after the waste water for livestock and poultry cultivation carries out solid-liquid separation, fermented manure process is carried out with agricultural waste material etc. after its filtering residue is carried out disinfection, wherein, in the agricultural waste material used, fallen leaves, containing substantial amounts of carbon nitrogen element in straw and bean dregs, mushroom foot handle contains rich in protein, polysaccharide, vitamin and various plants nutrient source, Crusta Penaeus seu Panulirus, rich in there being calcium ion in shell, fish tail and the substantial amounts of mineral of fish scale, protein, zinc, selenium and the somatotrophic unknown factor, in above-mentioned raw materials rich in material by EM ferment-fermented after, can be released in fermentation base material, in fermentation base material rich in free ion can not only meet the absorption of crop plants trace element, and can promote in crop plants rich in trace element zinc necessary to human body, potassium, calcium and aminoacid, it is properly added the feces mixing of the Lumbricus of the glue plumage cultivation that the application obtains again, produce organic fertilizer, containing various trace element, acidity or basic soil can be made to become and to be bordering on neutral soil, have adjusted acid-base value, good condition is created for crop growth, be conducive to the growth of crop, promote the fast-growth of crop plants, absorb sunlight sedimentation starch and polysaccharide, plant is made to look thick and strong, improve yield.

2, the present invention can not only obtain organic fertilizer after being processed by waste water, it is also may pass through process and obtains glue plumage granule, in glue plumage granule, content of organics is high, the experiment proved that, the application is utilized to process the glue plumage granule breeding earthworm obtained, its fast-growth is conducive to after Lumbricus feed, and survival rate is high, shorten its growth cycle, it is better than other feeding manner, the Lumbricus of results contains significantly high protein, the enzyme of aminoacid and high value, can be used for the high protein additive in cosmetics and animal feed, also can be used on biologic medical, its protein can be used for producing medical operating line, its enzyme can be used for producing health care medicine. it addition, wormcast is also precious, its nutrient content is also higher. according to surveying and determination, containing protein 6.6%-22.5% and 23 seed amino acids in wormcast, close with corn, can directly replace Semen Maydis etc. to use as feedstuff.

3, the technique of the present invention can also obtain nutritional solution, containing multiple elements such as polycalcium, magnesium, potassium, nitrogen in nutritional solution, can as the base material of plant nutrition liquid, nutritional need further according to different plants, add different nutrients, plant nutrition liquid can be obtained, apply fertilizer to plant, by this technical scheme of the application, can not only effectively turning waste into wealth, the process for rural sewage provides a new approach, reduces the cost making nutritional solution, environmental protection, improves economic benefit.

Accompanying drawing explanation

Fig. 1 is flow chart of the present invention.

Detailed description of the invention

Below by way of specific embodiment, the invention will be further described. The invention is not limited in following detailed description of the invention.

Embodiment 1:

(2) adding pulverized limestone in filtering residue, the quality of pulverized limestone is after 1/50,1 day of filtering residue gross mass, by plant defoliation, mushroom foot handle, Auricularia foot handle, bean dregs, Crusta Penaeus seu Panulirus, fish scale; Cane molasses and EM leaven are that 1:1:2:2 adds according to mass ratio, remixing compost after stirring is under 28-32 DEG C of condition in temperature, ferment 12-25 days, the Lumbricus feces that quality is fermentation base material 1/20-1/10 is added obtain fermentation base material wait having fermented after, it is stirred for uniformly, last then through obtaining organic fertilizer after pelletize, filtrate is stand-by;

(3) filtrate stand-by for step (2) regulating pH value is after 7.0-8.0, add aluminum sulfate flocculant through electrochemistry machine and carry out flocculation treatment, obtaining particle diameter is 500-800 ��m of flocculate, again through floater remover, the filtrate after flocculation treatment is separated, the liquid after obtaining glue plumage granule and separating;

(4) it is used for raising Lumbricus by glue plumage obtained above, after 45-60 days Lumbricus results, raises the Lumbricus feces that Lumbricus stays, as the additive of organic fertilizer.

(5) preparation of plant nutrition liquid: will separate the liquid obtained after flocculation treatment, carries out the base material as nutritional solution after detection of content of element, further according to the nutritional need of different plants, adds different nutrients, can obtain plant nutrition liquid;

(6) qualified discharge processes: will separate the liquid obtained after flocculation treatment, discolors after de-tasting process by ion exchange column adsorption treatment or through activated carbon absorption process or ozone, finally carry out discharging.

Embodiment 2:

(2) adding pulverized limestone in filtering residue, the quality of pulverized limestone is after 1/50,10 hour of filtering residue gross mass, by straw, Ganoderma foot handle, Lentinus Edodes foot handle, bean dregs, shell, fish tail; Cane molasses and EM leaven are that 1:1:2:2 adds according to mass ratio, remixing compost after stirring is under 28 DEG C of conditions in temperature, ferment 12 days, the Lumbricus feces that quality is fermentation base material 1/100 is added obtain fermentation base material wait having fermented after, it is stirred for uniformly, last then through obtaining organic fertilizer after pelletize, filtrate is stand-by;

(3) it is after 7.0 that stand-by for step (2) filtrate regulates pH value, add flocculant of polymeric aluminium chloride through electrochemistry machine and carry out flocculation treatment, obtaining particle diameter is 100-200 ��m of flocculate, again through floater remover, the filtrate after flocculation treatment is separated, the liquid after obtaining glue plumage granule and separating;

(4) it is used for raising Lumbricus by glue plumage obtained above, after 50 days Lumbricus results, raises the Lumbricus feces that Lumbricus stays, as the additive of organic fertilizer.

Embodiment 3:

(2) adding pulverized limestone in filtering residue, the quality of pulverized limestone is after 1/100,5 hour of filtering residue gross mass, by plant defoliation, corn straw, mushroom foot handle, Auricularia foot handle, Ganoderma foot handle, Lentinus Edodes foot handle, Crusta Penaeus seu Panulirus, shell, fish tail, fish scale; Cane molasses and EM leaven are that 4:1:2:5 adds according to mass ratio, remixing compost after stirring is under 32 DEG C of conditions in temperature, ferment 25 days, the Lumbricus feces that quality is fermentation base material 1/10 is added obtain fermentation base material wait having fermented after, it is stirred for uniformly, last then through obtaining organic fertilizer after pelletize, filtrate is stand-by;

(3) it is after 8.0 that stand-by for step (2) filtrate regulates pH value, add ferric sulfate flocculant through electrochemistry machine and carry out flocculation treatment, obtaining particle diameter is 200-300 ��m of flocculate, again through floater remover, the filtrate after flocculation treatment is separated, the liquid after obtaining glue plumage granule and separating;

(4) it is used for raising Lumbricus by glue plumage obtained above, after 60 days Lumbricus results, raises the Lumbricus feces that Lumbricus stays, as the additive of organic fertilizer.

Embodiment 4:

(2) adding pulverized limestone in filtering residue, the quality of pulverized limestone is after 1/60,8 hour of filtering residue gross mass, by plant defoliation, broomcorn straw, mushroom foot handle, Lentinus Edodes foot handle, bean dregs, Crusta Penaeus seu Panulirus, fish scale; Cane molasses and EM leaven are that 2:1:3:3 adds according to mass ratio, remixing compost after stirring is under 29 DEG C of conditions in temperature, ferment 18 days, the Lumbricus feces that quality is fermentation base material 1/80 is added obtain fermentation base material wait having fermented after, it is stirred for uniformly, last then through obtaining organic fertilizer after pelletize, filtrate is stand-by;

(3) it is after 7.5 that stand-by for step (2) filtrate regulates pH value, add iron chloride flocculant through electrochemistry machine and carry out flocculation treatment, obtaining particle diameter is 300-400 ��m of flocculate, again through floater remover, the filtrate after flocculation treatment is separated, the liquid after obtaining glue plumage granule and separating;

(4) it is used for raising Lumbricus by glue plumage obtained above, after 45 days Lumbricus results, raises the Lumbricus feces that Lumbricus stays, as the additive of organic fertilizer.

Embodiment 5:

(2) adding pulverized limestone in filtering residue, the quality of pulverized limestone is after 1/80,8 hour of filtering residue gross mass, by plant defoliation, Caulis Sacchari sinensis straw, Auricularia foot handle, Ganoderma foot handle, bean dregs, Crusta Penaeus seu Panulirus, shell, fish tail, fish scale; Cane molasses and EM leaven are that 3:1:2:4 adds according to mass ratio, remixing compost after stirring is under 30 DEG C of conditions in temperature, ferment 21 days, the Lumbricus feces that quality is fermentation base material 1/18 is added obtain fermentation base material wait having fermented after, it is stirred for uniformly, last then through obtaining organic fertilizer after pelletize, filtrate is stand-by;

(3) it is after 7.5 that stand-by for step (2) filtrate regulates pH value, add ferric-polysilicate flocculant through electrochemistry machine and carry out flocculation treatment, obtaining particle diameter is 400-500 ��m of flocculate, again through floater remover, the filtrate after flocculation treatment is separated, the liquid after obtaining glue plumage granule and separating;

Embodiment 6:

Plantula Brassicae chinensis compound fertilizer (Diammonium phosphate (DAP) (the NH bought on organic fertilizer A1 that embodiment 1-5 is prepared, A2, A3, A4, A5, market₄)₂HPO₄) CK1, the Plantula Brassicae chinensis planted on the same day is carried out conventional fertilizer application, observes the growing state of Plantula Brassicae chinensis, until gathering, the yield that record is gathered, concrete condition is as follows:

Table 1 Plantula Brassicae chinensis situation log

As seen from the above table, the organic fertilizer adopting the present invention to prepare, the growth of Plantula Brassicae chinensis can be promoted, shorten the production cycle, the yield of every square metre increases production at least 0.95Kg.

Glue plumage granule B1 that embodiment 1-5 is prepared, B2, B3, B4, B5, poultry feces CK2, the Lumbricus that growing way is identical is carried out regular feeding, observes the growing way of Lumbricus, and yield, and making a record, physical record is as follows:

Table 2 Lumbricus situation log

Record entry	Lumbricus form	Gather the cycle (my god)	Yield (Kg/m²)
				B1	Stout and strong, size is homogeneous, scarlet	80	9.25
B2	Stout and strong, size is homogeneous, scarlet	78	9.35
				B3	Stout and strong, size is homogeneous, scarlet	79	9.58
B4	Stout and strong, size is homogeneous, scarlet	76	9.54
				B5	Stout and strong, size is homogeneous, scarlet	78	9.57
CK2	Size is uneven, summary is yellow	95	7.98

As seen from the above table, adopting glue plumage granule prepared by the present invention to raise Lumbricus, can shorten the growth cycle of Lumbricus, the yield of every square metre increases production at least 1.27Kg; And use the present invention prepare glue plumage granule cultivation Lumbricus stout and strong, size is homogeneous, scarlet, have more market value, improve economic worth.

The nutritional solution base material d1 that embodiment 1-5 is prepared, d2, d3, d4, d5, desired nutritional further according to different vegetable obtains nutritional solution D1 with addition of nutrient, D2, D3, D4, D5, nutrient in nutritional solution base material is checked, wherein, the detection method of each element carries out according to GB: the detection of calcium constituent: GB/T5009.92-2003, AAS, ferrum, the detection of magnesium elements: GB/T5009.90-2003, AAS, the detection of potassium element: GB/T5009.91-2003, AAS, the detection of nitrogen element: with reference to GB5009.5-2010, I, the detection of P elements: GB/T5009.87-2003, I, nutritional solution D1, D2, D3, D4, D5 of having configured is used to carry out the soilless culture of Brassica campestris L. ssp.chinensis, Brassica rapa L, Caulis et Folium Brassicae junceae, fast dish, Herba Spinaciae respectively, water planting process carries out general planting management, finally respectively it being gathered the cycle, and yield is recorded, physical record is as follows:

Table 3 nutritional solution cultivates situation log

As seen from the above table, adopt the nutritional solution base material that the present invention obtains, further according to different floristics, carry out with addition of different desired nutritional elements, method is easily understood, and shorter by the water planting plant development cycle, between 25-29 days, slightly shorten compared with planting collecting time with water planting of the prior art, use the yield that also scheme carries out planting can reach 5.25Kg/m²-5.85Kg/m²��

Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature carries out equivalent replacement. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims

1. the technique that an integrated wastewater is recycled, it is characterised in that: include organic fertilizer preparation and glue plumage processes; Prepared by described organic fertilizer, including step in detail below:

(2) in filtering residue, pulverized limestone is added, after a period of time, by agricultural waste material, tankage, cane molasses and EM leaven according to mass ratio be 1-4:1:2-3:2-5 add, remix compost fermentation after stirring, complete to obtain to add Lumbricus feces after fermentation base material until fermentation to stir, last then through obtaining organic fertilizer after pelletize, filtrate is stand-by.

2. the technique that a kind of integrated wastewater according to claim 1 is recycled, it is characterised in that described agricultural waste material is one or more in plant defoliation, straw, mushroom foot handle and bean dregs; Described mushroom is one or more in mushroom, Auricularia, Ganoderma and Lentinus Edodes; Described tankage is one or more in Crusta Penaeus seu Panulirus, shell, fish tail and fish scale.

3. the technique that a kind of integrated wastewater according to claim 1 is recycled, it is characterised in that the 1/50-1/100 that quality is filtering residue gross mass of described addition pulverized limestone.

4. the technique that a kind of integrated wastewater according to claim 1 is recycled, it is characterised in that the addition of described Lumbricus feces is the 1/100-1/150 of fermentation base material.

5. the technique that a kind of integrated wastewater according to claim 1 is recycled, it is characterised in that the time of described fermentation is 12-25 days, and temperature is 28-32 DEG C.

6. the technique that a kind of integrated wastewater according to claim 1 is recycled, it is characterised in that what described glue plumage processed specifically comprises the following steps that

: after filtrate stand-by for step (2) is carried out pH regulator, carry out flocculation treatment through electrochemistry machine, obtain flocculate, again through floater remover, the filtrate after flocculation treatment is separated, the liquid after obtaining glue plumage granule and separating;

: it is used for raising Lumbricus by glue plumage obtained above, after Lumbricus is gathered in the crops, raises the Lumbricus feces that Lumbricus stays, as the additive of organic fertilizer.

7. the technique that a kind of integrated wastewater according to claim 6 is recycled, it is characterised in that described pH value is 7.0-8.0.

8. the technique that a kind of integrated wastewater according to claim 6 is recycled, it is characterised in that also can add flocculant during described flocculation treatment; Described flocculant is aluminum sulfate, aluminium polychlorid, iron sulfate, ferric-polysilicate, polyacrylamide or iron chloride.

9. the technique that a kind of integrated wastewater according to claim 6 is recycled, it is characterised in that the breeding cycle of described Lumbricus is 45-60 days.

10. the technique that a kind of integrated wastewater according to claim 1 or 6 is recycled, it is characterised in that described glue plumage processes, the preparation or the qualified discharge that also include plant nutrition liquid process;